set_net_delay (::quartus::sdc_ext)
The following table displays information for the set_net_delay
Tcl command:
Tcl Package and Version |
Belongs to ::quartus::sdc_ext 1.0 |
|||
Syntax |
set_net_delay [-h | -help] [-long_help]
-from
<names>
[-get_value_from_clock_period
<src_clock_period|dst_clock_period|min_clock_period|max_clock_period>
]
[-max]
[-min]
[-to
<names>
]
[-value_multiplier
<multiplier>
]
[
<delay>
]
|
|||
Arguments |
-h | -help
|
Short help | ||
-long_help
|
Long help with examples and possible return values | |||
-from
<names>
|
Valid source pins, ports, registers or nets(string patterns are matched using Tcl string matching) | |||
-get_value_from_clock_period
<src_clock_period|dst_clock_period|min_clock_period|max_clock_period>
|
Compute net delay constraint as a multiple of the clock period | |||
-max
|
Specifies maximum delay | |||
-min
|
Specifies minimum delay | |||
-to
<names>
|
Valid destination pins, ports, registers or nets (string patterns are matched using Tcl string matching) | |||
-value_multiplier
<multiplier>
|
Value by which the clock period should be multiplied to compute net delay requirement | |||
<delay> | Required delay | |||
Description |
|
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Example Usage |
|
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Return Value | Code Name | Code | String Return | |
TCL_OK | 0 | INFO: Operation successful | ||
TCL_ERROR | 1 | ERROR: <string> is not a valid delay value | ||
TCL_ERROR | 1 | ERROR: Timing netlist does not exist. Use create_timing_netlist to create a timing netlist. | ||
TCL_ERROR | 1 | ERROR: The option -value_multiplier must be a non-zero floating point number | ||
TCL_ERROR | 1 | ERROR: The option -value_multiplier may only be used if -get_value_from_clock_period is used |